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Crontab Generator Guide

About this tool

Build a cron expression from its five fields and read it back in plain English, so you can check a schedule before it quietly does the wrong thing at 3am. It also covers the special strings like @daily and @reboot.

Questions

Is `0 0 * * *` always midnight UTC?
No. It means midnight according to the cron implementation’s configured timezone, often the host’s local timezone. This tool does not read that setting or convert times to UTC.
Does this schedule the job?
No. It only builds and explains the expression. Nothing is scheduled and nothing runs.